E7 Troubleshooting - Midea MDV-D22Q1/N1-D Technical Manual

3.6.

E7 Troubleshooting

3.6.1. Display output
or
3.6.2. Description
▪ EEPROM mismatch.
3.6.3. Impact on other units
▪ Refer to
4.2 "Impact on Other
3.6.4. Possible causes
▪ Damaged main PCB.
3.6.5. Procedure
Replace indoor main PCB
DEF./FAN
LED flashes
twice per
second
Units".
E7
40